- Correspondence to Professor Ursula Margarethe Schmidt-Erfurth, Department of Ophthalmology and Optometry, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria;
- Received January 11, 2018
- Accepted April 5, 2018
- First published April 29, 2018.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.